Eliza jane habding



(No Model.)

E. J. HARDING.

DBPURATOR.

Patented Aug. 16

@vih/mwen N PETERS. Pnmurumagnpmr. wnshinglun. D. c

UNITED STATES PATENT OFFICE.

ELIZA JANE HARDING, OF DENVER, COLORADO.

DEPU RATO R.

SPECIFICATEON forming part of Letters Patent No. 368,285, dated August16, 1887.

Application tiled February 16, l8b7. Serial NoA 227,853. (No model.)

To all wwnt it may concern,.-

Be it known that I, Enza J A.tvs HARDTNG, a citizen of the UnitedStates, residing at Denver, in the county of Arapahoe and State ofColorado, have invented a new and useful Improvement in Apparatus forProducing Vaenums, of which the following is aspeciticalion.

The invention relates to improvements in apparatus for producing vacuums for the treatV ment of diseases, and refers to an apparatus in whichthe whole body, with the exception of the face is subjected totreatment, the objects being to produce a more perfect apparatus and onethat can be handled more easily, and in which the patient will be morecomfortable and the exhaustion more equable, thus preventing nervousspasm and irregular action of the circulatory system.

In the accompanying drawings, Figure 1 rep,

resents a perspective view of the apparatus, a patient being undertreatment therein. Fig. 2 represents a perspective view showing themanner of moving the upper section ofthe apparatus. Fig. 3 represents avertical longitudinal section of the apparatus, showing the interiorthereof and the seat upon which the patient rests while under treatment.

Referring to the drawings, A designates the improved apparatus, composedof the lower section, B, and the upper section, C, movable upon thelower section, as hereinafter described. The lower section is oval orelliptical in circumference, and has on the outer surface of its sidesthe handles b Z) to aid in its transportation. Vithin, near its rearend, is an adjustable seat, b, similar to a piano-stool, upon which seatthe patient rests while under treatment.

D is a double-cylinder air-pump connecting with the lower part of thefront end of the seetion 'B by the piped, upon which is the stop-cock orvalve d. Upon the upper surface of the said section at its rear end isthe man-hole E, surrounded bythe upstanding ring or riin e, from whichprojects horizontally outward the surrounding ilange c', as seen in Fig.2.

The sections are constructed preferably of galvanized iron, and thelower section is reenforcedand stiffened near its upper and lower edgesby surrounding bands, as seen in Figs. l and 2.

The upper section, C, has a flange, c, standing` out from andsurrounding its lower end and of equal size to the flange e around theman-hole F. Vhen the two anges are placed together, a rubberpackingring, e2, is placed between to make thejoint airtight.

F F are clamps for binding the two flanges together, which clamps areeach composed of the two short barsff, having pivoted to them at theirends the short rod f and the set-screw f2, which passes through athreaded opening in the outer end of the upper bar j' and impingcs onthe corresponding lower bar, so that by turning up the screw the innerends ofthe clamps will be made to bind upon the flanges.

The sides of the section O are provided with handles for itstransportation. The rear portion of its side is vertical,and the frontportion thereof inclines backward and upward from the flange c.

G is a central opening in the top of the section O, surrounded by anupstanding rim, g,

from which projects outward the horizontal circumferential flange g'.

H is a cap or head piece, of rubber cloth or other suitable imperviousmaterial, the edge of which is closely secured to the rim g, making anair-tight joint with said rim and the ange g. The cap H has an opening,h, in its edge, which surrounds the patients face,so that he. canbreathe freely.

The upper section being detached from the lower section by meanshereinafter described, the patient enters the manhole and seats himself.The packingring c7 is then placed upon the ilange c andthe upper sectionputin place thereon. The cap His then adjusted to the head of thepatient, who adjusts the seat so as to bring his head in properposition. Then upon working the air-pump the exhaustion begins, thejoint made by the two flanges and the rubber ring being airtight; butfor fear of the displacement ot' the upper section the clamps F areattached to the flanges, as described. The degree of exhaustion can betold at any moment by the air-pressure gage I, of commonconstructiomattached to the front of the upper section.

The means for quickly and readily handling the upper section are asfollows:

J is a vertical standard rising from the rear end of the lower sectionbehind the upper seetion7 as seen in Fie. 2, and j is a horizontal IOObar or arm at the upper end of the same, the said arm being connected tothe standard by a -cnrved coupling-piece, j', which allows the arm toswing horizontally on the latter.

K is-a swinging block attached to the end of the arm j, and K is asimilar block attached to the coupling-piece j.

L is a cordrunning over sheaves of the blocks K K and under the sheaveof a similar block, l,

whence it ascends and is secured to the block K.. The cord hangs fromthe block K Within reach ofthe operators hand, and the block Z hassecured to it the upper ends of the chains Z", the lower ends of whichare secured in the rings Z on the upper edge of the section C.

It is evident that by means of the cord and pulley the section C can bequickly and easily raised and lowered, and that by means of thecoupling-piece it can be swung to one side to permit the patient toenter the manhole.

The use of the double-cylinder air-pump produces a more steady andcontinuous process of exhaustion than by the use of the single-cylinderpump, and consequently is less liable Ito produce nervous shocks andspasm or irregular circulation.

l. In combination with the lower section, the upper section, C,removable therefrom, and

devices for swinging it to one side of the lower section, as set forth.

2. In combination lwith the lower section,

the upper section, C, the swinging arm or crane j', and the hoistingattachment connected to the swinging arm, whereby the upper section maybe raised from the lower by the hoisting means and swung to one side bythe swinging arm, as set forth.

3. In combination with the lower section, B, to which the pump D isconnected, the upper section, G, the man-hole E at the top of the lowersection, the vertical flange c around the man-hole, a horizontal flange,e', extending outward from the vertical flange, the horizontal ange c,extending out from the section C, thel packing between the flanges ce,and the screw-clamps F, to engage with the flanges ee and bind the partstogether, as set forth.

4.. In the herein-described apparatus, the combination, with the uppersection detachable from the lower. section and provided with the ringsZ2 around its upper edge, of the standard J, rising from the lowersection, the couplingpiece j', the horizontal arm j, the blocksK K l,the cord L, and the chains Z', all constructed and arrangedsubstantially as and for the purposesfiecilied.

In testimony that I claim the foregoing'as my own I have hereto affixedmy signature in .presence of two witnesses.

ELIZA JANE HARDING.

Vi tn esses:

GEORGE A. CORBIN, G. S. RICHARDS. A

